<template>
  <div class="search-box">
  	<i class="icon-search"></i>
    <input ref="query" v-model="query" class="box" :placeholder="placeholder"/>
    <i @click="clear" v-show="query" class="icon-dismiss"></i>
  </div>
</template>

<script>
import {debounce} from 'common/js/util'
export default {
  name: 'search-box',
	props: {
		placeholder: {
			type: String,
			default: '搜索歌曲、歌手'
		}
	},
	data() {
		return {
			query: ''
		}
	},
	methods: {
		clear() {
			this.query = ''
		},
		setQuery(query) {
			this.query = query
		},
		blur() {  
			this.$refs.query.blur()
		}
	},
	created() {//全局监听newQuery的变化
		this.$watch('query', debounce((newQuery) => {
			this.$emit('query', newQuery)
		}, 200))
	}
}
</script>

<style lang="scss" scoped >
.search-box{
    display: flex;
    align-items: center;
    box-sizing: border-box;
    width: 100%;
    padding: 0 6px;
    height: 40px;
    background: $color-highlight-background;
    border-radius: 6px;
		.icon-search{font-size: 24px;color: $color-background;}
    .box{
      flex: 1;
      margin: 0 5px;
      line-height: 18px;
      background: $color-highlight-background;
      color: $color-text;
      font-size: $font-size-medium;
      &::placeholder{color: $color-text-d;}
		}
		.icon-dismiss{font-size: 16px;color: $color-background;}
	}
</style>